The following are the ratings (0 to 4) given by 12 individuals for two possible new flavors of soft drinks. Wilcoxon rank-sum is to be used. At the 0.05 level of significance, what is the decision?
A) Fail to reject null hypothesis; critical value is ±1.65.
B) Fail to reject null hypothesis; critical value is ±1.96.
C) Reject null hypothesis; critical value is 0.1732.
D) Reject null hypothesis; critical value is 0.3464.

Question

The following are the ratings (0 to 4) given by 12 individuals for two possible new flavors of soft drinks.  Wilcoxon rank-sum is to be used. At the 0.05 level of significance, what is the decision?
A) Fail to reject null hypothesis; critical value is ±1.65. 
B) Fail to reject null hypothesis; critical value is ±1.96. 
C) Reject null hypothesis; critical value is 0.1732. 
D) Reject null hypothesis; critical value is 0.3464.

Quizplus · Accepted Answer

The Answer of The following are the ratings (0 to 4) given by 12 individuals for two possible new flavors of soft drinks.  Wilcoxon rank-sum is to be used. At the 0.05 level of significance, what is the decision?
A) Fail to reject null hypothesis; critical value is ±1.65. 
B) Fail to reject null hypothesis; critical value is ±1.96. 
C) Reject null hypothesis; critical value is 0.1732. 
D) Reject null hypothesis; critical value is 0.3464.

The Following Are the Ratings (0 to 4) Given by 12